EV2300 on 64bit Windows 7
I'm trying to install the driver on my computer and I get the following error: "Error E0000235 in UpdateDriverForPlugAndPlayDevices".I read the forums and there seem to be a lot of people with the same...
View ArticlePack Voltage calibration routine for bq20z45-r1
Hello. Â I am trying to calibrate the "Pack Voltage" (register 0x5A) for a bq20z45-r1. Â Using bqEasy (version 0.9.64), after calibrating the "CC Offset", "Voltage Calibration", "Temperature...
View ArticleNo documentation on setting RA0 in the BQ27741-G1?
Hi TI folks,We can't find *any* information on how you set the "General Purpose IO. Open-drain I/O" RA0 pin on the BQ27741-G1. Is this pin actually available as an general purpose open drain output? If...
View Articlebq24725 and bq20z45-R1 operating without host controller
Dear all, I plan to test a setup according to SLUA608 where a bq20Z45-R1 EVM is Connected to the SMBus of a bq24725 EVM. Is it possible to connect the EV2300 to the same SMBus to be able to monitor...
View Articlebq77pl900 problem with vout
Hello,I am having problems with obtaining a Vout signal from bq77pl900. I put bq77pl900 into host-controlled mode and enable cell voltage amplifier (bit VAEN in FUNCTION_CONTROLL) . The STATUS_REGISTER...
View Articlebq20z65-R1: EVM Gerbers available?
Hello,Are the Gerber files for the bq20z65-R1 EVM available for download? I couldn't find them anywhere and we'd like to use them as the starting point for our own board.John
View ArticleBq34z100 Control and Block commands
Hi ,I wanted to know about how control command and its subsequent 2byte sub commands retrieve data.We are considering a code  to send command 1 byte at a time to fetch the data.So if suppose i want to...
View Articlebq2013h PPD register
while configuring bq2013h,i pull down PROG1 and PROG2,pull up PROG5. then i read PPU reg correctly,PPD always zero, why?
View ArticleBQ77910A ON/OFF SWITCH
hello!I am an engineer for batterypack. I want to add a switch for turning on/off the bq77910a power.I want to turn off the power of battery pack when not use, to save the energy of battery pack.Is it...
View Articlebq27421- conditions for Qmax update?
I am cycling a Li-Poly cell with a bq27421 -G1A EVM, and am yet to see QMAX_Up or RES_UP flags set after several charge/discharge and relax cycles.Looking through user guide, I see:"After the initial...
View ArticleProblems with BQ27531
HiI'm having some problems with inconsistency between the manual & EVM for the BQ27531.I have the September 2013 version of SLUUA96 and version 0.9.91 of bqEVSW.A quick search of the forum threads...
View ArticleCalibration Accuracy
Hi,I'm doing voltage and current calibration remotely using a power supply.I'm referring to SLUA379E for the automation.The only question is the accuracy of the voltage and the current during the...
View Articlebq20z65 and thermistor placement
Hi,I'm using bq20z65 with a 3-cells LiPo battery (4500mAh).I use the two external thermistors of the bq20z65 but I don't know where to place them.I hesitate between putting them in-between the cells,...
View ArticleUnsealing bq27531
The Sept 2013 TRM SLUUA96 section 5.3 describes how to go to SEALED, UNSEALED and FULL-ACCESS modes.It refers to named addresses "Unseal Key 0", "Unseal Key 1"... but nowhere in the document are the...
View Articlebq MultiStation Tester error report
HiI'm attempting to use the bq MultiStation Tester (version 2.1.4) but i keep getting"Error: Expected -1 boards, Found 0"does anyone know why i get this and how to fix it so i an connect to...
View ArticleBQ34Z100 Write with standard command
Hi,May i know what is the proper steps to write into data flash with standard command? I have tried writing the serial number byte by byte which is writing with standard command 0x7E and 0x7F in...
View ArticleBQ34z100 SoC is decreasing to 94% in a week
Hello,I have BQ34Z100 with high capacity 4-cell LiFePO4 battery. I came through the learning cycle and Update Status is reached 06. I am charging the battery with automatic charger till 14.6 volt and...
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restricted access to SMBus extended on BQ3050
HelloI cannot to change the value of RSNS (or other) in the SMBus extended, I am in full access and unsealed access (I have access to data flash).When i want write or read at 0x71 i have this error :I...
View ArticleCommunication with I2C for bq34z100
HelloI am developing a system for monitoring multiple batteries. And i need to communicate with multiples bq34z100 in same time. What is the address I2C of each IC bq34z100?Each battery have address...
View Articleunseal codes for bq 2084,bq 2085,bq2083,bq2086,
my company name is genuine batteries laptop and email address ib gblaptop95@yahoo.com. i need unlock passwords for bq 2084,2083,2085,2086 thanks
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